Public address system



FIG. 1 is a front perspective view of a first embodiment of a publicaddress system showing my new design;

FIG. 2 is a front orthographic view thereof;

FIG. 3 is a rear orthographic view thereof;

FIG. 4 is a left side orthographic view thereof;

FIG. 5 is a right side orthographic view thereof;

FIG. 6 is a top orthographic view thereof;

FIG. 7 is a bottom orthographic view thereof;

FIG. 8 is a front perspective view of a second embodiment of a publicaddress system showing my new design;

FIG. 9 is a front orthographic view thereof;

FIG. 10 is a rear orthographic view thereof;

FIG. 11 is a left side orthographic view thereof;

FIG. 12 is a right side orthographic view thereof;

FIG. 13 is a top orthographic view thereof; and,

FIG. 14 is a bottom orthographic view thereof.

The dash-dot lines shown in FIGS. 1-5, 7-12, and 14 represent boundarylines between claimed and unclaimed subject matter, with the dash-dotlines themselves representing unclaimed subject matter. The dashed linesshown in FIGS. 1-14 are included for the purpose of illustratingenvironmental subject matter only and form no part of the claimeddesign.

The ornamental design for a public address system, as shown anddescribed.